Gregorios 21 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VII |
| Dates | 692 (taq) / 692 (tpq) |
| PmbZ No. | 2353 |
| Variant Names | Gregorius |
| Religion | Christian |
| Locations | Aizanoi (Phrygia Pacatiana) (officeplace); Constantinople; Aizanoi (Phrygia Pacatiana) |
| Occupation | Bishop |
| Titles | Bishop, Aizanoi (Phrygia Pacatiana) (office) |
| Textual Sources | Trullo, (Quinisext) Council in, List of bishops, ed. H. Ohme, Das Concilium Quinisextum und seine Bischofsliste: Studien zum Konstantinopeler Konzil von 692, (Berlin, 1990), pp. 145-170; Mansi XI (conciliar) |
Gregorios 21 was bishop of Aizanoi in Phrygia Pacatiana; in 692 he attended the Quinisext Council in Constantinople and signed the canons: Ohme, Bischofsliste, p. 164, no. 178 (= Mansi XI 1001) (Γρηγόριος ἀνάξιος ἐπίσκοπος πόλεως Αἰζιανῶν Πακατιανῆς).
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